<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<link href="style02.css" rel="stylesheet" type="text/css">
</head>

<body>
	<div>1111</div>
	<div class="red">2222</div>
	<div id="blue">3333</div>
</body>
</html>
